CM6206 Datasheet, PDF (32/35 Pages) C-Media Electronics – High Integrated USB Audio I/O Controller

CM6206
High Integrated USB Audio I/O Controller
9.5 32 ohm Headphone Loading Frequency Response / Passband Ripple
Audio Precision
dx=-19.980 kHz
+1
+0.5
dy=-0.505 dB
-0
-0.4-407.5
-0.952-1
-1.5
d
-2
B
r -2.5
A
-3
-3.5
-4
-4.5
-5
-5.5
-6
20
50
100
200
500
1k
2k
5k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Cyan Solid
1
Fasttest.Ch.1 Ampl!Normalize Left
1
2
Yellow Solid
1
Fasttest.Ch.2 Ampl!Normalize Left
Cursor1
Cursor2
-0.952 dBr A -0.462 dBr A
*-0.952 dBr A *-0.447 dBr A
Vista-Frequency Response-M48k.at27
10/18/06 13:55:22
10k
1290.k998k
Audio Precision
10/18/06 13:53:10
dx=-2.8594 kHz
+0.5
+0.4
dy=-0.279 dB
+0.3
+0.2
d ^+0.1
B +0.045
r
+0
A _-0.1
-0.2
-0.235
-0.3
-0.4
-0.5
20
50
100
200
500
1k
Hz
2k 2.93555k
5.k79492k
10k
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Cyan Solid
1
Fasttest.Ch.1 Ampl!Normalize Left
1
2
Yellow Solid
1
Fasttest.Ch.2 Ampl!Normalize Left
Cursor1
Cursor2
*+0.045 dBr A *-0.235 dBr A
+0.045 dBr A -0.234 dBr A
Vista-Passband Ripple-M48k.at27
9.6 32 ohm Headphone Loading THD+N Curve / Dynamic Range
Audio Precision
+0
-10
-20
-30
-40
d
-50
B
r
-60
A
-70
-80
-90
-100
-110
-120
20
50
100
200
500
1k
2k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Cyan Solid
2
Anlr.THD+N Ampl Left
1
2
Yellow Solid
2
Anlr.THD+N Ampl Left
Vista-D-A THD+N.at27
10/16/06 15:33:48
5k
10k
20k
Audio Precision
A-A FFT SPECTRUM ANALYSIS
10/20/06 16:13:03
+20
+0
-20
-40
d
-60
B
V
-80
-100
-120
-140
2k
4k
6k
8k
10k
12k
14k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Yellow Solid
1
Fft.Ch.1 Ampl Left
1
2
Cyan Solid
1
Fft.Ch.2 Ampl Left
16k
18k
20k
Requires DSP. Analog Analyzer input is A-D converted and analyzed with the FFT Digital analyzer. Signal source may be
Generator or external. Click "Sweep Spectrum/Waveform" swap button to switch between frequency and time displays .
A-A FFT.at27
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Rev. 2.3 ︱ Page 32/37